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-rw-r--r--addon-sdk/source/lib/sdk/zip/utils.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/addon-sdk/source/lib/sdk/zip/utils.js b/addon-sdk/source/lib/sdk/zip/utils.js
new file mode 100644
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+++ b/addon-sdk/source/lib/sdk/zip/utils.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+const { Cc, Ci } = require("chrome");
+
+function getZipReader(aFile) {
+ return new Promise(resolve => {
+ let zipReader = Cc["@mozilla.org/libjar/zip-reader;1"].
+ createInstance(Ci.nsIZipReader);
+ zipReader.open(aFile);
+ resolve(zipReader);
+ });
+};
+exports.getZipReader = getZipReader;